Research on insurgency has been invigorated during this past decade by better data,
improved methods, and the urgency of understanding active engagements in Iraq and …

We discuss models and data of crowd disasters, crime, terrorism, war and disease
spreading to show that conventional recipes, such as deterrence strategies, are often not …

The use of weaponized drones or “unmanned aerial vehicles”(UAVs) has become
increasingly widespread and controversial over the past few decades. The current paper …

This study analyzes the effects of US drone strikes on terrorism in Pakistan. We find that
drone strikes are associated with decreases in the incidence and lethality of terrorist attacks …

We investigate the use of high-powered incentives for the Colombian military and show that
this practice produced perverse side effects. Innocent civilians were killed and …

Are civilian attitudes a useful predictor of patterns of violence in civil wars? A prominent
debate has emerged among scholars and practitioners about the importance of winning …

Many causal processes have spatial and temporal dimensions. Yet the classic causal
inference framework is not directly applicable when the treatment and outcome variables are …

When do states defend their reputations? States sometimes pay high costs to protect their
reputations, but other times willingly tarnish them. What accounts for the difference? This …

The land, sea, air, space, and cyber domains have distinct operational characteristics.
Specialization in the means of using or threatening force is not just a technical issue …

This article challenges the conventional wisdom that cyber operations have limited coercive
value. It theorizes that cyber operations contribute to coercion by imposing costs and …